<template>
  <div class="app-container">
    <!-- 讲师列表 -->

    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名" />
      </el-form-item>
      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>
      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-button type="primary" icon="el-icon-search" @click="getList()"
        >查询</el-button
      >
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>
    <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      element-loading-text="数据加载中"
      border
      fit
      highlight-current-row
    >
      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>
      <el-table-column prop="name" label="名称" width="80" />
      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          {{ scope.row.level === 1 ? "高级讲师" : "首席讲师" }}
        </template>
      </el-table-column>
      <el-table-column prop="intro" label="资历" width="200" />
      <el-table-column prop="gmtCreate" label="添加时间" width="160" />
      <el-table-column prop="sort" label="排序" width="60" />
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
            <router-link :to="'/teacher/edit/' + scope.row.id">
              <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
            </router-link>
            <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
  </div>
</template>


<script>
//引入teacher.js的文件
import teacher from "@/api/edu/teacher";

export default {
  //写核心代码的位置
  data() {
    //定义数据变量和初始值
    return {
      list: null, //查询之后返回的结果
      page: 1, //当前页
      limit: 10, //每页记录数
      total: 0, //总记录数
      teacherQuery: {}, //条件封装对象
    };
  },
  created() {
    //在页面渲染之前执行,调用methods里定义的犯法
    this.getList();
  },
  methods: {
    //创建具体的方法,调用teacher.js定义的方法
    //讲师列表的方法
    getList(page = 1) {
      this.page = page;
      teacher
        .getTeacherListPage(this.page, this.limit, this.teacherQuery)
        .then((response) => {
          //请求成功
          //response接口返回的数据
          // console.log(response)
          this.list = response.data.rows;
          this.total = response.data.total;
          console.log(this.list);
          console.log(this.total);
        })
        .catch((error) => {
          //请求失败
          console.log(error);
        });
    },
    resetData() {
      //清空
      //把表单输入数据清空
      this.teacherQuery = {};

      //查询所有数据
      this.getList();
    },
    removeDataById(id) {
      this.$confirm("此操作将永久删除讲师记录, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(() => {
        //调用删除方法
        teacher
          .deleteTeacherId(id)
          .then((response) => {
            //删除成功
            this.$message({
              type: "success",
              message: "删除成功!",
            });
            //回到列表页面,刷新数据
            this.getList();
          })
      });
    },
  },
};
</script>
